DE3521095C2 - - Google Patents
Info
- Publication number
- DE3521095C2 DE3521095C2 DE19853521095 DE3521095A DE3521095C2 DE 3521095 C2 DE3521095 C2 DE 3521095C2 DE 19853521095 DE19853521095 DE 19853521095 DE 3521095 A DE3521095 A DE 3521095A DE 3521095 C2 DE3521095 C2 DE 3521095C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measuring Magnetic Variables (AREA)
- Digital Magnetic Recording (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853521095 DE3521095A1 (en) | 1985-06-12 | 1985-06-12 | DEVICE FOR DETECTING AND TESTING MAGNETIC LAYER MEDIA |
EP86107933A EP0208157A1 (en) | 1985-06-12 | 1986-06-10 | Device for detecting and testing a magnetic-layer carrier |
JP13726386A JPS6249486A (en) | 1985-06-12 | 1986-06-12 | Apparatus for checking and inspecting magnetic layer medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853521095 DE3521095A1 (en) | 1985-06-12 | 1985-06-12 | DEVICE FOR DETECTING AND TESTING MAGNETIC LAYER MEDIA |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3521095A1 DE3521095A1 (en) | 1986-12-18 |
DE3521095C2 true DE3521095C2 (en) | 1987-04-09 |
Family
ID=6273096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853521095 Granted DE3521095A1 (en) | 1985-06-12 | 1985-06-12 | DEVICE FOR DETECTING AND TESTING MAGNETIC LAYER MEDIA |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0208157A1 (en) |
JP (1) | JPS6249486A (en) |
DE (1) | DE3521095A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4036336A1 (en) * | 1990-11-15 | 1992-05-21 | Smartdiskette Gmbh | Read and write transducer for magnetic recordings - has double magnetic field generated by E and I core based unit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3931828A1 (en) * | 1989-09-23 | 1991-04-04 | Krieg Gunther | STRIP CODE AND METHOD AND DEVICE FOR READING SUCH A |
US6513713B1 (en) | 1999-06-09 | 2003-02-04 | Sankyo Seiki Mfg. Co., Ltd. | Magnetism detecting apparatus and magnetic material identifying apparatus using the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3048666A (en) * | 1959-02-05 | 1962-08-07 | Ibm | Transducer with low microphonics |
US3225145A (en) * | 1960-11-01 | 1965-12-21 | Rca Corp | Magnetic transducer |
GB1534859A (en) * | 1976-06-04 | 1978-12-06 | De La Rue Crosfield | Detector for documents comprising magnetizable material |
US4130242A (en) * | 1977-09-08 | 1978-12-19 | Continental Instrument Corporation | Data storage and retrieval system employing balanced magnetic circuits |
US4281242A (en) * | 1980-02-11 | 1981-07-28 | Continental Instruments Corporation | Balancing apparatus for magnetic circuits employed in data storage and retrieval systems |
-
1985
- 1985-06-12 DE DE19853521095 patent/DE3521095A1/en active Granted
-
1986
- 1986-06-10 EP EP86107933A patent/EP0208157A1/en not_active Withdrawn
- 1986-06-12 JP JP13726386A patent/JPS6249486A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4036336A1 (en) * | 1990-11-15 | 1992-05-21 | Smartdiskette Gmbh | Read and write transducer for magnetic recordings - has double magnetic field generated by E and I core based unit |
Also Published As
Publication number | Publication date |
---|---|
EP0208157A1 (en) | 1987-01-14 |
DE3521095A1 (en) | 1986-12-18 |
JPS6249486A (en) | 1987-03-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS NIXDORF INFORMATIONSSYSTEME AG, 4790 PADER |
|
8339 | Ceased/non-payment of the annual fee |